21164160

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:246

約数の個数: 128

約数和(自身を含む): 68837760

約数和(自身を除く): 47673600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 73, 80, 96, 120, 128, 146, 151, 160, 192, 219, 240, 292, 302, 320, 365, 384, 438, 453, 480, 584, 604, 640, 730, 755, 876, 906, 960, 1095, 1168, 1208, 1460, 1510, 1752, 1812, 1920, 2190, 2265, 2336, 2416, 2920, 3020, 3504, 3624, 4380, 4530, 4672, 4832, 5840, 6040, 7008, 7248, 8760, 9060, 9344, 9664, 11023, 11680, 12080, 14016, 14496, 17520, 18120, 19328, 22046, 23360, 24160, 28032, 28992, 33069, 35040, 36240, 44092, 46720, 48320, 55115, 57984, 66138, 70080, 72480, 88184, 96640, 110230, 132276, 140160, 144960, 165345, 176368, 220460, 264552, 289920, 330690, 352736, 440920, 529104, 661380, 705472, 881840, 1058208, 1322760, 1410944, 1763680, 2116416, 2645520, 3527360, 4232832, 5291040, 7054720, 10582080, 21164160]

約数ペア:

[(1, 21164160), (2, 10582080), (3, 7054720), (4, 5291040), (5, 4232832), (6, 3527360), (8, 2645520), (10, 2116416), (12, 1763680), (15, 1410944), (16, 1322760), (20, 1058208), (24, 881840), (30, 705472), (32, 661380), (40, 529104), (48, 440920), (60, 352736), (64, 330690), (73, 289920), (80, 264552), (96, 220460), (120, 176368), (128, 165345), (146, 144960), (151, 140160), (160, 132276), (192, 110230), (219, 96640), (240, 88184), (292, 72480), (302, 70080), (320, 66138), (365, 57984), (384, 55115), (438, 48320), (453, 46720), (480, 44092), (584, 36240), (604, 35040), (640, 33069), (730, 28992), (755, 28032), (876, 24160), (906, 23360), (960, 22046), (1095, 19328), (1168, 18120), (1208, 17520), (1460, 14496), (1510, 14016), (1752, 12080), (1812, 11680), (1920, 11023), (2190, 9664), (2265, 9344), (2336, 9060), (2416, 8760), (2920, 7248), (3020, 7008), (3504, 6040), (3624, 5840), (4380, 4832), (4530, 4672)]